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Hongdae Filler

차이의원 · 아름다움의 차이, 차이의원입니다. · September 15, 2025

"They say you can look better right away after filler treatment, and since it’s a well-known procedure, you can just get it anywhere comfortably, right?" If you searched for Hongda...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: 차이의원

Original post date: September 15, 2025

Translated at: April 20, 2026 at 2:36 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

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"They say you can look better right away after filler treatment, and since it’s a well-known procedure, you can just get it anywhere comfortably, right?"

If you searched for Hongdae filler and are considering the procedure with that thought in mind, please stop for a moment and read this article to the end.

Filler is definitely one of the procedures with a high satisfaction rate. However, at the same time, it is also a procedure that can cause serious side effects.

Today, I will honestly explain the side effects that anyone considering Hongdae filler must know, as well as how to prevent them.

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Hello, I am Director Jo Won-jin of Chai Clinic.

For nine years, I have been performing filler procedures in Hongdae, and I have seen the satisfying changes of many patients. At the same time, through various papers and materials, I have also come across cases of side effects caused by improper filler procedures.

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Filler is a procedure that injects skin-friendly hyaluronic acid into the skin to add volume. Hyaluronic acid is a component of the human body, so it is a safe substance, but that does not mean it has no side effects at all.

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I always tell my patients this: "Every procedure can have side effects, but what matters is whether those side effects are serious or not." If you are considering Hongdae filler, you need to know these side effects accurately before making your decision.

Side Effects of Filler

The most serious side effect of filler procedures is skin necrosis caused by injection into a blood vessel.

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If filler enters a blood vessel, it blocks the vessel and cuts off blood circulation to that area. This can cause the skin tissue to necrotize, and in the worst case, it can leave irreversible scars or deformity.

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A particularly dangerous area is the "triangle zone." This area, which forms a triangle from the glabella to the tip of the nose, has important blood vessels connected to the brain passing through it. An improper procedure in this area can even cause blindness or cerebral infarction, so I absolutely do not recommend it.

The second side effect is a delayed immune reaction.

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This occurs when the body's immune system recognizes the filler ingredient as something to attack and continuously causes an inflammatory response. Once it happens, it keeps recurring, so you need a procedure to dissolve the filler, and in severe cases, surgical removal may be necessary.

The third is bruising and nodules.

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Among Hongdae filler procedures, lip filler in particular bruises easily, and if nodules or inflammation occur, they become very noticeable. This can interfere with daily life.

These side effects are not simply a matter of probability. They are a complex issue influenced by the practitioner's skill, the quality of the filler used, and the patient's aftercare.

So how can these side effects be prevented?

First, only verified, high-quality fillers should be used.

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When looking into Hongdae filler, you should not decide based on price alone. You should choose a place that uses products with high hyaluronic acid purity and products for which long-term data has been accumulated. Keep in mind that if a filler is too cheap, there is a reason for that.

Second, too much should not be injected from the start.

I understand the desire to "see a definite change all at once," but an overly aggressive procedure increases the risk of side effects. It is safer to receive an appropriate amount in stages according to the individual's facial structure and skin condition.

Third, the same filler product should be used consistently.

Mixing multiple products increases the risk of an allergic reaction. It is preferable to keep using the product that caused no problems in the first procedure.

Fourth, aftercare must be thorough.

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For at least three days after the procedure, you should not irritate the treated area. Excessive massage, hot compresses, saunas, and similar actions can trigger an immune response. After receiving Hongdae filler, you need more careful care than usual.

Fifth, you should choose a practitioner with extensive experience.

Filler is a procedure that requires anatomical knowledge and skilled technique. You should receive it from an experienced doctor who can accurately identify blood vessel locations and inject at the proper depth and position.

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The most important thing I want to say to those looking into Hongdae filler is the importance of a thorough consultation.

Just as Chai Clinic believes that no two skins in the world are the same, every person's facial structure and skin condition are different. Rather than a one-size-fits-all procedure, you need to determine through personalized consultation whether the treatment is suitable for you and what area and how much volume are needed.

Also, choose a clinic that honestly explains the side effects. Rather than a place that promises there will be no side effects, a place that explains the possible side effects and how to prevent them in detail is more trustworthy.

Furthermore, I hope you choose a dermatology clinic that can tell you to consider the treatment area and amount.

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Hongdae filler is definitely a procedure with a high satisfaction rate. But at the same time, it is also a procedure that must be approached carefully. I hope you understand the side effects accurately and receive the procedure safely through a thorough consultation.

This has been Chai Clinic, customizing your beauty. Thank you.

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